WO2013140299A3 - Treatment of acid mine drainage - Google Patents

Treatment of acid mine drainage Download PDF

Info

Publication number
WO2013140299A3
WO2013140299A3 PCT/IB2013/051943 IB2013051943W WO2013140299A3 WO 2013140299 A3 WO2013140299 A3 WO 2013140299A3 IB 2013051943 W IB2013051943 W IB 2013051943W WO 2013140299 A3 WO2013140299 A3 WO 2013140299A3
Authority
WO
WIPO (PCT)
Prior art keywords
mine drainage
acid mine
treatment
drainage
acid
Prior art date
Application number
PCT/IB2013/051943
Other languages
French (fr)
Other versions
WO2013140299A2 (en
Inventor
Jan Hendrik Phillipus JACOBS
Robert George FREEMAN
Original Assignee
Mintails Mining S A (Pty) Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=48184267&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2013140299(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to BR112014023273A priority Critical patent/BR112014023273A2/en
Priority to CN201380015766.0A priority patent/CN104254498B/en
Priority to EA201491746A priority patent/EA025955B1/en
Priority to EP13718649.0A priority patent/EP2828206B1/en
Priority to US14/385,916 priority patent/US9487419B2/en
Application filed by Mintails Mining S A (Pty) Limited filed Critical Mintails Mining S A (Pty) Limited
Priority to MX2014011286A priority patent/MX2014011286A/en
Priority to AU2013237053A priority patent/AU2013237053A1/en
Priority to CA2867653A priority patent/CA2867653A1/en
Priority to AP2014008006A priority patent/AP2014008006A0/en
Publication of WO2013140299A2 publication Critical patent/WO2013140299A2/en
Publication of WO2013140299A3 publication Critical patent/WO2013140299A3/en
Priority to PH12014502083A priority patent/PH12014502083A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/727—Treatment of water, waste water, or sewage by oxidation using pure oxygen or oxygen rich gas
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Layouts therefor
    • E21C41/32—Reclamation of surface-mined areas
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/18—Cyanides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/203—Iron or iron compound
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/02—Specific form of oxidant
    • C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical

Abstract

A method for treating acid mine drainage includes mixing acid mine drainage (20) and alkaline tailings from a gold recovery process (140). The acid mine drainage is thereby neutralized (12).
PCT/IB2013/051943 2012-03-20 2013-03-12 Treatment of acid mine drainage WO2013140299A2 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
AP2014008006A AP2014008006A0 (en) 2012-03-20 2013-03-12 Treatment of acid mine drainage
CN201380015766.0A CN104254498B (en) 2012-03-20 2013-03-12 The process of acid ore deposit discharge
EA201491746A EA025955B1 (en) 2012-03-20 2013-03-12 Treatment of acid mine drainage
EP13718649.0A EP2828206B1 (en) 2012-03-20 2013-03-12 Treatment of acid mine drainage
US14/385,916 US9487419B2 (en) 2012-03-20 2013-03-12 Treatment of acid mine drainage
BR112014023273A BR112014023273A2 (en) 2012-03-20 2013-03-12 method for treating acid mine drainage
MX2014011286A MX2014011286A (en) 2012-03-20 2013-03-12 Treatment of acid mine drainage.
AU2013237053A AU2013237053A1 (en) 2012-03-20 2013-03-12 Treatment of acid mine drainage
CA2867653A CA2867653A1 (en) 2012-03-20 2013-03-12 Treatment of acid mine drainage
PH12014502083A PH12014502083A1 (en) 2012-03-20 2014-09-22 Treatment of acid mine drainage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA2012/02073 2012-03-20
ZA201202073 2012-03-20

Publications (2)

Publication Number Publication Date
WO2013140299A2 WO2013140299A2 (en) 2013-09-26
WO2013140299A3 true WO2013140299A3 (en) 2013-12-05

Family

ID=48184267

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2013/051943 WO2013140299A2 (en) 2012-03-20 2013-03-12 Treatment of acid mine drainage

Country Status (14)

Country Link
US (1) US9487419B2 (en)
EP (1) EP2828206B1 (en)
CN (1) CN104254498B (en)
AP (1) AP2014008006A0 (en)
AU (1) AU2013237053A1 (en)
BR (1) BR112014023273A2 (en)
CA (1) CA2867653A1 (en)
CL (1) CL2014002474A1 (en)
CO (1) CO7170159A2 (en)
EA (1) EA025955B1 (en)
MX (1) MX2014011286A (en)
PE (1) PE20142160A1 (en)
PH (1) PH12014502083A1 (en)
WO (1) WO2013140299A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110921809B (en) * 2019-12-14 2022-08-05 吕广鑫 High-efficient separator of iron ion in mine water sample
CN111233201B (en) * 2020-02-20 2022-07-29 山东科技大学 Working face mine water solid removal device and solid removal process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020158023A1 (en) * 2000-07-13 2002-10-31 Wurzburger Stephen Ray Process for treating lightly contaminated acid mine water
US20030132166A1 (en) * 2002-01-15 2003-07-17 Paul Rey Method of treating mine drainage
WO2005100243A1 (en) * 2004-04-15 2005-10-27 Suuri Kulta Ab A process for the removal of thiocyanate from effluent
US20110182786A1 (en) * 2010-01-22 2011-07-28 Molycorp Minerals, Llc Hydrometallurgical process and method for recovering metals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA905224B (en) * 1989-07-05 1991-04-24 Minproc Tech Process for reducing the cyanide content of a solution
JP2968913B2 (en) 1993-07-30 1999-11-02 日鉄鉱業株式会社 Method for regenerating waste sulfuric acid containing metal sulfate
CN1260379C (en) 2003-12-23 2006-06-21 王金祥 Chemical bulk stack dipping process for gold-containing tailing ore without pelletizing
CN101343039B (en) 2008-08-20 2010-12-01 哈尔滨光宇蓄电池股份有限公司 Method for recycling pure acid from metallic ion containing waste acid and regenerating alkali
CN101392326B (en) 2008-11-06 2010-06-16 昆明理工大学 Method for recovering gold from all-sliming cyanidation gold extraction slag
CN101736159B (en) 2009-09-02 2011-04-20 紫金矿业集团股份有限公司 Method for recovering gold from alkaline waste water
CN102286661A (en) * 2011-08-25 2011-12-21 云南锡业集团（控股）有限责任公司 Method for direct electrolysis of laterite nickel ore by sulfuric acid leaching

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020158023A1 (en) * 2000-07-13 2002-10-31 Wurzburger Stephen Ray Process for treating lightly contaminated acid mine water
US20030132166A1 (en) * 2002-01-15 2003-07-17 Paul Rey Method of treating mine drainage
WO2005100243A1 (en) * 2004-04-15 2005-10-27 Suuri Kulta Ab A process for the removal of thiocyanate from effluent
US20110182786A1 (en) * 2010-01-22 2011-07-28 Molycorp Minerals, Llc Hydrometallurgical process and method for recovering metals

Also Published As

Publication number Publication date
PE20142160A1 (en) 2015-01-07
AP2014008006A0 (en) 2014-10-31
CN104254498A (en) 2014-12-31
CL2014002474A1 (en) 2015-04-17
MX2014011286A (en) 2015-03-06
CO7170159A2 (en) 2015-01-28
CN104254498B (en) 2016-10-26
AU2013237053A1 (en) 2014-10-30
PH12014502083A1 (en) 2014-11-24
EA025955B1 (en) 2017-02-28
US20150041404A1 (en) 2015-02-12
BR112014023273A2 (en) 2019-09-24
EA201491746A1 (en) 2014-12-30
US9487419B2 (en) 2016-11-08
WO2013140299A2 (en) 2013-09-26
CA2867653A1 (en) 2013-09-26
EP2828206A2 (en) 2015-01-28
EP2828206B1 (en) 2016-11-09

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